/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

body {
    background: linear-gradient(135deg, #1a2a6c, #b21f1f, #1a2a6c);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: #fff;
    line-height: 1.6;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 主内容区域 */
.my-content {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    border-radius: 24px;
    padding: 40px;
    width: 100%;
    max-width: 800px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.my-content h1 {
    font-size: 3.5rem;
    margin-bottom: 40px;
    font-weight: 800;
    background: linear-gradient(to right, #ffffff, #a0e9ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    letter-spacing: -0.5px;
}

/* 按钮容器 */
.button-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

/* 主按钮样式 */
.my-content button {
    background: linear-gradient(to right, #4a00e0, #8e2de2);
    border: none;
    border-radius: 14px;
    color: white;
    padding: 18px 24px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.my-content button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.my-content button:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3);
}

.my-content button:hover::before {
    opacity: 1;
}

.my-content button:active {
    transform: translateY(2px);
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.2);
}

/* 特殊按钮样式 */
.my-content .btn-error {
    background: linear-gradient(to right, #ff416c, #ff4b2b);
}

/* 按钮图标 */
.button-icon {
    font-size: 1.4rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .my-content {
        padding: 30px 20px;
    }
    
    .my-content h1 {
        font-size: 2.5rem;
    }
    
    .button-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .my-content h1 {
        font-size: 2rem;
    }
    
    .my-content button {
        padding: 16px 20px;
        font-size: 1rem;
    }
}

/* 装饰元素 */
.decoration {
    position: fixed;
    pointer-events: none;
    z-index: -1;
}

.circle {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(106, 27, 154, 0.3) 0%, transparent 70%);
    position: absolute;
    top: 10%;
    left: 5%;
    animation: float 8s ease-in-out infinite;
}

.circle:nth-child(2) {
    width: 200px;
    height: 200px;
    top: 70%;
    left: 85%;
    background: radial-gradient(circle, rgba(33, 150, 243, 0.3) 0%, transparent 70%);
    animation-delay: -2s;
}

.circle:nth-child(3) {
    width: 150px;
    height: 150px;
    top: 30%;
    left: 80%;
    background: radial-gradient(circle, rgba(244, 67, 54, 0.3) 0%, transparent 70%);
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-20px) translateX(15px); }
    50% { transform: translateY(10px) translateX(-15px); }
    75% { transform: translateY(-15px) translateX(-10px); }
}

/* 页脚样式 */
.footer {
    position: fixed;
    bottom: 20px;
    width: 100%;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}